RTS CM300L A4F

RTS CM300L A4F

RTS CM300L A4F

RTS CM300L A4F

RTS CM300L A4F

SKU: RTS-F.01U.391.508
MSRP: $901.00

Overview

RTS' CM-300L is a console mount, two-channel intercom user station. The user station is designed to be used in a full duplex, conference line intercom system.

Specifications

  • Input DC Voltage:
    • TW Mode: 18 to 35 volts DC
    • LP Option: 15 to 35 volts DC
    • Battery: 12 to 35 volts DC (reduced performance)
  • DC Current Drawing from TW Line (Note: LP Option draws no current from TW line):
    • Quiescent:
      • - CM-300/RM-300: 23 milliamperes ±10%
      • - CM-300/RM-300L: 33 milliamperes ±10%
    • Operating 25 Ohm headphones:
      • - CM-300/RM-300: 37 milliamperes ±10%
      • - CM-300/RM-300L: 45 milliamperes ±10%
    • Operating 25 Ohm headphones + Call Light: CM-300/RM-300: 60 milliamperes ±10%
  • Impedance Across Line: 10,000 ohms, minimum
  • Operating Temperature: 0°C to 60°C
  • Storage Temperature: -40°C to 85°C
  • Operating and Storage Humidity: 5% to 95% non-condensing
  • Noise Contribution:
    • One Unit: -75 dBu
    • Ten Units: -67 dBu
  • Microphone Preamplifier:
    • Input Impedance: 470 ohms/dynamic mic
    • Source Impedance: 200 ohms, nominal
    • Maximum Input Level: 150 millivolts
    • Frequency Response: 100 hertz to 10 kilohertz ±3 dB (-54 dBu input)
    • Limiter Range: 30 dB
    • Carbon Mic Excitation Current: 10 millliamperes, nominal
  • Current Source:
    • Transfer Ratio: 3.3 milliamperes/volt=3.3 millisiemens
    • Output: ±5 milliamperes into 200 ohms = ±1 volt peak, nominal